Adjust paginator window argument

app/controllers/admin/posts_controller.rb

@@ -22,7 +22,7 @@ class Admin::PostsController < ApplicationController
   end
 
   def index
-    @posts = Post.order(created_at: :desc).page(params[:page]).per(1)
+    @posts = Post.order(created_at: :desc).page(params[:page])
   end
 
   def create

config/initializers/kaminari_config.rb

@@ -1,10 +1,10 @@
 Kaminari.configure do |config|
   config.default_per_page = 10
   # config.max_per_page = nil
-  # config.window = 4
+  config.window = 2
   # config.outer_window = 0
-  # config.left = 0
-  # config.right = 0
+  config.left = 0
+  config.right = 0
   # config.page_method_name = :page
   # config.param_name = :page
 end